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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4455x 4455x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1482x 1482x 1482x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12779x 6113x 6113x 6666x 6666x 6666x 6666x 12779x 5x 5x 6661x 6661x 6661x 6661x 6661x 12779x 40142x 26864x 26864x 26864x 10102x 26864x 16761x 6659x 6659x 6659x 10102x 10102x 10102x 26864x 33483x 33483x 33483x 33483x 2x 2x 2x 2x 2x 2x 2x 1x 1x 2x 2x 2x 2x 2x | import { DEV } from 'esm-env';
import { HYDRATION_END, HYDRATION_START, HYDRATION_ERROR } from '../../../constants.js';
import * as w from '../warnings.js';
/**
* Use this variable to guard everything related to hydration code so it can be treeshaken out
* if the user doesn't use the `hydrate` method and these code paths are therefore not needed.
*/
export let hydrating = false;
/** @param {boolean} value */
export function set_hydrating(value) {
hydrating = value;
}
/** @type {import('#client').TemplateNode} */
export let hydrate_start = /** @type {any} */ (null);
/** @type {import('#client').TemplateNode} */
export let hydrate_end = /** @type {any} */ (null);
/**
* @param {import('#client').TemplateNode} start
* @param {import('#client').TemplateNode} end
*/
export function set_hydrate_nodes(start, end) {
hydrate_start = start;
hydrate_end = end;
}
/**
* This function is only called when `hydrating` is true. If passed a `<!--[-->` opening
* hydration marker, it finds the corresponding closing marker and sets `hydrate_start`
* and `hydrate_end` to the content inside, before returning the closing marker.
* @param {Node} node
* @returns {Node}
*/
export function hydrate_anchor(node) {
if (node.nodeType !== 8) {
return node;
}
var current = /** @type {Node | null} */ (node);
// TODO this could have false positives, if a user comment consisted of `[`. need to tighten that up
if (/** @type {Comment} */ (current).data !== HYDRATION_START) {
return node;
}
/** @type {import('#client').TemplateNode} */
var start = /** @type {any} */ (null);
var depth = 0;
while ((current = /** @type {Node} */ (current).nextSibling) !== null) {
if (current.nodeType === 8) {
var data = /** @type {Comment} */ (current).data;
if (data === HYDRATION_START) {
depth += 1;
} else if (data[0] === HYDRATION_END) {
if (depth === 0) {
hydrate_start = start;
return current;
}
depth -= 1;
}
}
start ??= /** @type {import('#client').TemplateNode} */ (current);
hydrate_end = /** @type {import('#client').TemplateNode} */ (current);
}
let location;
if (DEV) {
// @ts-expect-error
const loc = node.parentNode?.__svelte_meta?.loc;
if (loc) {
location = `${loc.file}:${loc.line}:${loc.column}`;
}
}
w.hydration_mismatch(location);
throw HYDRATION_ERROR;
}
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